11.10V,6600mAh,Li-ion,Hi-quality Replacement Laptop Battery for LENOVO ThinkPad E40, ThinkPad E50, ThinkPad Edge 0578-47B, ThinkPad Edge 15", ThinkPad L410, ThinkPad L412, ThinkPad L420, ThinkPad L421, ThinkPad L510, ThinkPad L512, ThinkPad L520, ThinkPad T420, ThinkPad T520, ThinkPad W510, ThinkPad W520, LENOVO ThinkPad Edge 14", ThinkPad SL410, ThinkPad SL510, ThinkPad T410, ThinkPad T510 Series, Compatible Part Numbers: 42T4708, 42T4709, 42T4710, 42T4712, 42T4714, 42T4715, 42T4731, 42T4733, 42T4735, 42T4737, 42T4753, 42T4757, 42T4799, 42T4801, 42T4803, 51J0499, 51J0500, 57Y4185, 57Y4186, ASM 42T4703, ASM 42T4711, ASM 42T4752, ASM 42T4756, ASM 42T4796, FRU 42T4702, FRU 42T4710, FRU 42T4751, FRU 42T4755, FRU 42T4791, FRU 42T4793, FRU 42T4795, FRU 42T4797, FRU 42T4799, FRU 42T4801, FRU 42T4803, FRU 42T4817, FRU 42T4819 Battery Type: 9 Cells Li-ion Capacity: 11.1V 7800mAh Color: Black Weight: 460g Using highest quality materials including grade-A brand-new cells Meets and exceeds OEM specifications and lasts longer hours Package Includes: One unit of brand-new replacement laptop battery for IBM This product is CE & RoHS certified, so BUY WITH CONFIDENCE!